java/project/src/main/java/com/example/HnuCourseSystem.java

package com.example;

import com.example.controller.CourseController;
import com.example.view.CourseView;

/**
 * 湖大选课系统主应用类
 * MVC架构入口，协调Controller和View
 */
public class HnuCourseSystem {
    
    public static void main(String[] args) {
        // 创建Controller和View
        CourseController controller = new CourseController();
        CourseView view = new CourseView();
        
        // 初始化数据库
        controller.initDatabase();
        
        try {
            int choice;
            
            do {
                // 显示菜单
                view.displayMenu();
                
                // 获取用户选择
                choice = view.getUserChoice();
                
                // 根据选择执行相应操作
                switch (choice) {
                    case 1 -> view.displayOverallStatistics(controller.getOverallStatistics());
                    case 2 -> view.displayCourseTypeDistribution(controller.getCourseTypeDistribution());
                    case 3 -> view.displayDepartmentDistribution(controller.getDepartmentDistribution());
                    case 4 -> view.displayCreditDistribution(controller.getCreditDistribution());
                    case 5 -> view.displayTopCourses(controller.getTopCourses());
                    case 6 -> view.displayCourseUsageRate(controller.getCourseUsageRate());
                    case 7 -> view.displayDepartmentStatistics(controller.getDepartmentStatistics());
                    case 0 -> view.displayExitMessage();
                    default -> view.displayInvalidChoice();
                }
                
                // 非退出操作时等待用户确认
                if (choice != 0) {
                    view.displayContinuePrompt();
                }
                
            } while (choice != 0);
            
        } finally {
            view.close();
        }
    }
}